Home / 106,932.91-160,606.96-78,741.62

Finding the Fourth Proportional to 106,932.91, 160,606.96 and 78,741.62

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Solution

The fourth proportional to 106,932.91, 160,606.96 and 78,741.62 is: 118,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,932.91 : 160,606.96 = 78,741.62 : x
  2. Step 2: Convert to fraction form
    106,932.91/160,606.96 = 78,741.62/x
  3. Step 3: Cross multiply
    106,932.91x = 160,606.96 × 78,741.62
  4. Step 4: Simplify right side
    106,932.91x = 12,646,452,213.68
  5. Step 5: Solve for x
    x = 12,646,452,213.68/106,932.91
  6. Step 6: Final answer
    x = 118,265.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.